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Subject: Re: Test position ==> Karmel-Kahane,Israel 1973

Author: Dann Corbit

Date: 11:14:21 01/25/01

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On January 25, 2001 at 09:11:38, José Antônio Fabiano Mendes wrote:

>      Karmel-Kahane,Israel 1973
>      8/7P/4K3/8/1k4N1/6P1/8/q7 b
>      The winning move is 1...Qa6+!!
>          then 2.Ke5 Qe2+ 3.Kf6 Qxg4 -+
>            or 2.Kf7 Qb7+ 3.Kg6 Qe4+ 4.Kh6 Qd4!! -+ [Zugzwang]
>      In the game Black played 1...Qg7?? 2.Nf6 draw
>      Source: Chess Informant 16,pages 264 and 271 [ending 22] JAFM

It's possible that crafty is fooled by a Zugzwang (but I doubt it -- because
according to my understanding of the algorithm with that few chessmen on the
board null move is not used at all).  In any case, a different reply of Kf4
instead of Kf6 may be what it takes to bust black in the chops.  Chess experts
care to correct?

[D]8/7P/4K3/8/1k4N1/6P1/8/q7 b - - acd 21; acn 438042485; acs 1000; bm Qa6+; ce
32720; pv Qa6+ Ke5 Qe2+ Kf4 Qb2 Ne5 Qh2 Nc6+ Kc3 Ne7 Qxh7;

But in any case, Qa6+ is the best move, either way.
;-)



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